#include<iostream>
using namespace std;

int main()
{
	int n = 0, i = 0, j = 0;
	while (cin >> n)
	{
		for (i = 0; i < n; ++i)
		{
			for (j = 0; j < n; ++j)
			{
				if (i == j || j == n - i - 1)
					cout << "*";
				else
					cout << " ";
			}
			cout << endl;
		}
	}
	return 0;
}